electron/lib/renderer/window-setup.ts
Samuel Attard e9cb85bea6
build: add import/order eslint rule (#44106)
build: add import/order eslint rule (#44085)

* build: add import/order eslint rule

* chore: run lint:js --fix
2024-10-02 20:52:01 -07:00

53 lines
2.5 KiB
TypeScript

import { IPC_MESSAGES } from '@electron/internal/common/ipc-messages';
import { internalContextBridge } from '@electron/internal/renderer/api/context-bridge';
import { ipcRendererInternal } from '@electron/internal/renderer/ipc-renderer-internal';
const { contextIsolationEnabled } = internalContextBridge;
export const windowSetup = (isWebView: boolean, isHiddenPage: boolean) => {
if (!process.sandboxed && !isWebView) {
// Override default window.close.
window.close = function () {
ipcRendererInternal.send(IPC_MESSAGES.BROWSER_WINDOW_CLOSE);
};
if (contextIsolationEnabled) internalContextBridge.overrideGlobalValueFromIsolatedWorld(['close'], window.close);
}
// But we do not support prompt().
window.prompt = function () {
throw new Error('prompt() is and will not be supported.');
};
if (contextIsolationEnabled) internalContextBridge.overrideGlobalValueFromIsolatedWorld(['prompt'], window.prompt);
if (isWebView) {
// Webview `document.visibilityState` tracks window visibility (and ignores
// the actual <webview> element visibility) for backwards compatibility.
// See discussion in #9178.
//
// Note that this results in duplicate visibilitychange events (since
// Chromium also fires them) and potentially incorrect visibility change.
// We should reconsider this decision for Electron 2.0.
let cachedVisibilityState = isHiddenPage ? 'hidden' : 'visible';
// Subscribe to visibilityState changes.
ipcRendererInternal.on(IPC_MESSAGES.GUEST_INSTANCE_VISIBILITY_CHANGE, function (_event, visibilityState: DocumentVisibilityState) {
if (cachedVisibilityState !== visibilityState) {
cachedVisibilityState = visibilityState;
document.dispatchEvent(new Event('visibilitychange'));
}
});
// Make document.hidden and document.visibilityState return the correct value.
const getDocumentHidden = () => cachedVisibilityState !== 'visible';
Object.defineProperty(document, 'hidden', {
get: getDocumentHidden
});
if (contextIsolationEnabled) internalContextBridge.overrideGlobalPropertyFromIsolatedWorld(['document', 'hidden'], getDocumentHidden);
const getDocumentVisibilityState = () => cachedVisibilityState;
Object.defineProperty(document, 'visibilityState', {
get: getDocumentVisibilityState
});
if (contextIsolationEnabled) internalContextBridge.overrideGlobalPropertyFromIsolatedWorld(['document', 'visibilityState'], getDocumentVisibilityState);
}
};